CVE-2025-59349
published 2025-09-17CVE-2025-59349: Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, DragonFly2 uses the os.MkdirAll function to create…
PriorityP414low3.3CVSS 3.1
AVLACLPRLUINSUCNILAN
EPSS
0.11%
1.3th percentile
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, DragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files. This vulnerability is fixed in 2.1.0.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| d7y.io | dragonfly_v2 | >= 0 < 2.1.0 | 2.1.0 |
| dragonflyoss | dragonfly | < 2.1.0 | 2.1.0 |
| github.com | dragonflyoss_dragonfly | >= 0 < 2.1.0 | 2.1.0 |
| linuxfoundation | dragonfly | < 2.1.0 | 2.1.0 |
CVSS provenance
nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
nvdv4.02.0LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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OSV
Dragonfly's directories created via os.MkdirAll are not checked for permissions in d7y.io/dragonfly
osv·2025-09-24
CVE-2025-59349 Dragonfly's directories created via os.MkdirAll are not checked for permissions in d7y.io/dragonfly
Dragonfly's directories created via os.MkdirAll are not checked for permissions in d7y.io/dragonfly
Dragonfly's directories created via os.MkdirAll are not checked for permissions in d7y.io/dragonfly
OSV
Dragonfly's directories created via os.MkdirAll are not checked for permissions
osv·2025-09-17
CVE-2025-59349 [LOW] Dragonfly's directories created via os.MkdirAll are not checked for permissions
Dragonfly's directories created via os.MkdirAll are not checked for permissions
### Impact
DragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files.
Eve has unprivileged access to the machine where Alice uses DragonFly2. Eve watches the commands executed by Alice and introduces new directories/paths with 0777 permissions before DragonFly2 does so. Eve can then delete and forge files in that directory to change the results of further commands executed by
GHSA
Dragonfly's directories created via os.MkdirAll are not checked for permissions
ghsa·2025-09-17
CVE-2025-59349 [LOW] CWE-276 Dragonfly's directories created via os.MkdirAll are not checked for permissions
Dragonfly's directories created via os.MkdirAll are not checked for permissions
### Impact
DragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files.
Eve has unprivileged access to the machine where Alice uses DragonFly2. Eve watches the commands executed by Alice and introduces new directories/paths with 0777 permissions before DragonFly2 does so. Eve can then delete and forge files in that directory to change the results of further commands executed by
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-09-17
Published